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Beryllium of metellicheskiya

Beryllium of metellicheskiya

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Name of products: Beryllium of metellichesky 99,98%

Beryllium - the first metal, steady on air, in periodic table. As well as aluminum, it is obliged by the stability to a strong film of oxide (BeO in general very inert substance, make crucibles for melting of rare-earth metals, lithium and other substances of it, very aggressive in a molten condition). As beryllium has the low density and melting temperature above, than at aluminum, it could become excellent constructional material if not some of its properties. First, dust of beryllium and all its connections is extremely toxic. It, even in small doses, can cause formation of malignant tumors (cancer). Besides, the technology of receiving beryllium is rather difficult because it is strongly disseminated in the nature. It leads to the fact that the price of beryllium is rather high also in 1998, for example, made 800 dollars for kilogram. It is approximately twice higher, than at silver.

Production of products from beryllium has the features. They are made by method of powder metallurgy and agglomeration (cast products have no sufficient durability). Also, beryllium is used for production beryllium bronz (copper alloys and 3-6% of beryllium) - material for the springs possessing very big resistance to mechanical fatique and sparks which are not giving at all at mechanical blows. Beryllium bronze apply, for example, to production of the tool for work in mines where there is a danger of a gas burst. Still do metal parts of clubs for golf of beryllium bronze. One more use of beryllium, in nuclear technology, is based on its high ability to slow down and reflect neutrons. So, the reflectors of neutrons for atomic bombs allowing to reduce considerably the critical mass of fissionable material were made of beryllium.
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